Solve the logarithmic equation. Round to four decimal places.log5 x + log5 (x + 8) = 1
A. {0.5826}
B. {3.5826}
C. {8.5826}
D. {-8.5826, 0.5826}
Answer: A
Mathematics
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Evaluate the spherical coordinate integral.
A. 
?
B. 
?2
C. 
?
D. 
?2
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Find the coordinates of the midpoint of the line segment PQ.P(7, 7), Q(-9, 9)
A. 
B. 
C. (-2, 16)
D. (16, -2)
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Find the center of the ellipse.9x2 + 72x + 25y2 + 200y + 319 = 0
A. (-9, -4) B. (-4, -4) C. (-4, -9) D. (-4, -4)
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Evaluate the expression. Write your answer without negative exponents.(-5)-2
A. 
B. 25
C. - 
D. -25
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